904 Oil and Gas Well Inspection

Do this inspection to ensure that drill string components are stored properly.

Storing tubulars on racks.

List the areas of the rig where drill string components are stored. Inspect components based on the instructions below and note on the form.

Racks should be level and have a solid footing.
The welds on the racks should be inspected for cracks and breaks.
Where racks are hooked together end-to-end, they should be pinned, or overlapped, to prevent pipe from falling through the connection.

If racks need to be blocked, they should have support in enough places to prevent bowing or sagging of the structure when the rack is fully loaded.
Make sure that blocking is not crushed or broken and supports both sides of the rack.
Ensure that stop pins are in place, straight, and standing upright.
Racks that are integral to pipe baskets should have the bridging components properly attached and locked into place.

11-7. Why should pipe racks that are hooked together end-to-end, be pinned or overlapped?

To prevent bowing or sagging

To ensure racks are not crushed or broken.

To prevent pipes from falling through rack connections

To allow a greater number of pipes on a rack.

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